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[FileSystems] Add conf option for udev rules

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This commit is contained in:
Antoine Viallon 2022-04-02 20:11:44 +02:00
parent 373c6dca82
commit 4054f9604b
Signed by: aviallon
GPG key ID: 186FC35EDEB25716
1 changed files with 25 additions and 23 deletions
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48
filesystems.nix
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@ -36,6 +36,12 @@ in
description = "Automatically enable ncq_prio if it is supported by the SATA device.\nIt may improve latency.";
type = types.bool;
};
udevRules = mkOption {
default = [];
example = [ ''ACTION!="remove", SUBSYSTEM=="block", KERNEL=="sda", ATTR{queue/scheduler}="none"'' ];
description = "Additional udev rules";
type = types.listOf types.str;
};
lvm = mkEnableOption "lvm options required for correct booting";
};
@ -57,29 +63,25 @@ in
fileSystems."/boot".neededForBoot = mkDefault true;
services.udev =
let
udevRules = concatStringsSep "\n" (
concatLists [
(optional (!(builtins.isNull cfg.hddScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}!="none", ATTR{queue/scheduler}="${cfg.hddScheduler}"''
)
(optional (!(builtins.isNull cfg.slowFlashScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*|nvme[0-9]*n[0-9]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="${cfg.slowFlashScheduler}"''
)
(optional (!(builtins.isNull cfg.nvmeScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="nvme[0-9]*n[0-9]*", ATTR{queue/scheduler}="${cfg.nvmeScheduler}"''
)
(optional cfg.queuePriority
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{device/ncq_prio_supported}=="1", ATTR{device/ncq_prio_enable}="1"''
)
]
);
in
{
extraRules = udevRules;
initrdRules = udevRules;
};
aviallon.filesystems.udevRules = mkBefore (concatLists [
(optional (!(builtins.isNull cfg.hddScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}!="none", ATTR{queue/scheduler}="${cfg.hddScheduler}"''
)
(optional (!(builtins.isNull cfg.slowFlashScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*|nvme[0-9]*n[0-9]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="${cfg.slowFlashScheduler}"''
)
(optional (!(builtins.isNull cfg.nvmeScheduler))
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="nvme[0-9]*n[0-9]*", ATTR{queue/scheduler}="${cfg.nvmeScheduler}"''
)
(optional cfg.queuePriority
''ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="sd[a-z]*", ATTR{device/ncq_prio_supported}=="1", ATTR{device/ncq_prio_enable}="1"''
)
]);
services.udev = {
extraRules = concatStringsSep "\n" cfg.udevRules;
initrdRules = concatStringsSep "\n" cfg.udevRules;
};
services.smartd = {